Want to prepare your Mac for OS X Yosemite?
Not sure if you can upgrade your Mac to the latest, beautifully re-designed version of Mac OS? Well if you're currently running Mountain Lion or Mavericks, you're in luck, with the list of compatible Macs remaining the same.
The Mac's listed below will be able to install Yosemite when it's available later in the year:
Mid-2007 or newer
Late 2008 aluminium, or early 2009 or newer
13 inch: Mid-2009 or newer
15 inch: Mid-/late 2007 or newer
17 inch: Late 2007 or newer
Late 2008 or newer
Early 2009 or newer
Early 2008 or newer